37 citations · 59 across the 10 of their papers we have counts for
Showing 2013Show all
3 papers · 1 filter
math.CO2013
Zero forcing for sign patterns
Felix Goldberg, Abraham Berman
We introduce a new variant of zero forcing - signed zero forcing. The classical zero forcing number provides an upper bound on the maximum nullity of a matrix with a given graph (i…
math.HO2013
A contribution to the connections between Fibonacci Numbers and Matrix Theory
Miriam Farber, Abraham Berman
We present a lovely connection between the Fibonacci numbers and the sums of inverses of triangular matrices, namely, a number is the sum of the entries of the inverse…
math.OC2013★ 37 cited
New results on the cp rank and related properties of co(mpletely)positive matrices
Naomi Shaked-Monderer, Abraham Berman, Immanuel M. Bomze +2
Copositive and completely positive matrices play an increasingly important role in Applied Mathematics, namely as a key concept for approximating NP-hard optimization problems. The…